YF

Yutaka Fukuchi

Ricoh Company: 40 patents #359 of 9,818Top 4%
Overall (All Time): #80,089 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
6970665 Image forming apparatus with detachable power-requiring unit Kazuosa Kuma, Hiroshi Ishii, Yuusuke Noguchi, Makoto Kikura, Kazuki Suzuki 2005-11-29
6898407 Desktop color image forming apparatus and method of making the same Yuusuke Noguchi, Hiromichi Ema, Hiroshi Ishii, Kazuosa Kuma, Kazuki Suzuki +5 more 2005-05-24
6834850 Percussive noises supressing sheet feeding method and apparatus 2004-12-28
6576177 System and method for molding a plastic gear suppressing shrinkage 2003-06-10
6385418 Rotational driving apparatus for use in an image-forming device 2002-05-07
6181899 Vibration reducing plastic gear 2001-01-30
6128451 Image forming apparatus having digital image data supply device 2000-10-03
RE36124 Fixing apparatus Hiroshi Yokoyama, Atsushi Arai, Masahiko Sato, Toshiaki Higaya, Jun Okamoto 1999-03-02
5689764 Image forming apparatus and device for driving a contact type charging member Hidenobu Endoh 1997-11-18
5329340 Image forming apparatus Kazuhiro Andoh 1994-07-12
5300996 Fixing apparatus Hiroshi Yokoyama, Atsushi Arai, Masahiko Sato, Toshiaki Higaya, Jun Okamoto 1994-04-05
5124759 Control method for detecting a paper jam using a toner density sensor Koichi Kanaya, Yoshiyuki Tanimoto 1992-06-23
5055881 Device for supplying a toner to a developing unit 1991-10-08
5052336 Developing roller for a developing unit with transport, develop and collect magnets 1991-10-01
5040025 Toner cartridge for an image forming apparatus 1991-08-13